Printing press



April 27 1926.

C. W. HARROLD PRINTING PRESS Filed April 1, 1922 3 Sheets-Sheet 1 April 27', 1926. 1,582,039

C. W. HARROLD PRINTING PRESS Filed April 1. 1922 3 Sheets-Sheet 2 April 27, 1926.

v c. w. HARROLD PRINTING PRESS 5 Sheets-Sheet 5 Filed April 1, 1922 ,1 4 k 17 wueMto-z 737 (Fin/a M/brm/li.

Patented Apr. 27, 1926.

UNITED STATES 1,582,039 PATENT OFFICE.

CHARLES W. HABIROLD, OE CLEVELAND, OHIO, ASSIGNOR TO THE HARRIS AUTOMATIC PRESS COMPANY, OF CLEVELAND, OHIO, A CORPORATION OF OHIO.

PBINTINQ- PBE SS.

Application filed April 1,

To all whom it may am...-

Be it known that I, CHARLES W. HARROLD, a citizen of the United States, and a resident of the city of Cleveland, in the county of Cuyahoga'and State of Ohio, have invented certain new and useful Improvements in Printing Presses, of which the following is a specification, reference being made to the accompanying drawings, forming a part thereof. j

My invention relates to printing presses and is preferably embodied in a rotary press in which there are improved devices for separating the printing or other coacting members forming a printing couple; the objects of my invention are, among, other 'things,

to provide in a rotary press improved de-v vices not only for separating the printing members, but also for throwing off the inking rolls in such press, the two throw-oil's being positively actuated from the same source of power in the further movement of the press, and sequentially and" variably.

timed relativelyv to each other. By my improved mechanism the impression throw-off positions a member in the inker throw-off mechanism thereafter to be-directly actuated by means operated by further movement of the press, which means may be adjusted to alter the timed sequence of the two throwofis asithe best practice may require. 'By my improvement the impression throw-off may advantageously occur at a fixed point when the gaps of the several cylinders are adjacent one another, and the inker rolls are subsequently raised whenabout to pass over the opening in the form or plate-cylinder, both throw-offs being positively oper- 16 hated by the continued rotation of the impression-cylinder and deriving'their actuation from a non-'shiftable member inthe press. a Y

Furthermore I have embodied in my improved press automatic means, controlled by the interruption or absence of stock in the feed supply, to throw off the inking mechanism independently of the throw-off of the printingmembers at the same period in the cycle of operation as if the printing members were also connected to be automatically actuated by the feeder trip. Such. automatic devices. are also combined with manual means whereby the operator mayposition a member in the inker. throw-01f which will, thereafter automatically throw-off the ink- 1922. Serial No. 548,712.

continued movement of the press.

My improved printing-press also embodies other features of novelty and usefulness whereby the operating mechanisms are simplified and made more effective and otherwise better adapted foruse, all of which will be hereinafter set forth and then particularly pointed out in the appended claims.

The drawings illustrate my invention in its referred embodiment in a three cylinder 0 -set press, thesame serving to fully explain the nature of my improvement, which is not restricted, however, to any particular type of rotary press, since my invention may also be embodied in a two cylinder press with the. same advantages and results.

Of the drawings, Fig. 1 is a side elevation showing the throw-off mechanism in normal position as applied to an off-set press;

Fig. 2 is a view similar to Fig.1 showing the impression throw-off with the three cylinders separated, and the inker mecha nism set to throw off the inking rolls;

Fig. 3 is an enlarged detail view showinga form of sheet detector mechanism that may be used in connection with the trip for the cylinders and" also for the inker rolls;

Fig. 4 is an enlarged detail view of the latch embodied in the inker throw-off mechanism;

Fig. 5 is a fragmentary view showing the inker throw-ofi' as having operated to raise the inking rolls from the form or plate: cylinder;

Fig. 6 is a fragmentary v view'showing a. modified form of my improvement with devices to set the inker throw-off mechanism, the parts being shown in normal position,- and t Fig. 7 is a fragmentary view showing the modified form of the inker throw-off as having operated. to set the arm which actuates the inker throw-off. 7

Similar numerals refer to similar parts throughout the several figures.

Referring more particularly to Fig. 1, the frame'8 supports the bearings for the formcylinder 9, the transfer or blanket-cylinder 10 and the impression-cylinder 11, these cylinders being mounted on the ,shafts12, 13

and 14 respectively. The cylinders are so constructed and arranged in the frame 8 that ll,"

the transfer-cylinder 10 forms a printing couple with the impression-cylinder 11, after receiving its design from the form-cylinder 9. The respective cylinders have each fastened thereto suitable gears the pitch-diameters of which coincide with the peripheries of the respective cylinders. These gears intermesh and form the driving mechanism to secure the proper rotation of the cylinders in the directions shown by the arrows on these three cylinders. Power is derived from any suitable source which is connected to the c linder gears by a compound gear train. ince these are common forms of printing-press construction and are well known in the art, thev are. not shown in detail in the drawings.

The shaft 13 carrying the transfer-cylinder 10 is mounted at both ends in the eccentric bearings 15, which, in turn, are mounted in the journals 16 secured in the frame 8. The bearings 15 have arms 17 projecting from flanges on the outside of the frame 8 as shown on one side thereof. The adjustable toggle lever 18 is pivotally connected at 19 to the toggle arm 20 of the bell-crank lever 22 mounted on the stub-shaft 23 secured to the frame. 'The arm 24 of the lever 22 pivotally carries the toggle lever 25 connected with the toggle lever 26 by the pin 27 which projects inwardly therefrom toward the frame 8. The shaft 14 for the impression-cylinderll is mounted at both ends in eccentric bearings (not shown) journalled in the frame 8 which bearings have arms 28 connected by link 29 to the throw-off bracket 30 operated by treadle 31 whereby the impression-cylinder 11 may be thrown ofi or on with respect to the transfer-cylinder 10 at will.

The automatic throw-off and throw-on mechanism for the transfer-cylinder 10 will now be described: The impression-cylinder shaft 14 carries the. cam 32 which engages the roller 33 on the lever-arm 34 pivoted on the stud 35 in the bracket36 secured to the frame 8. The lug 37 on the lever-arm 34 slidably carries the rod 38 about which is coiled the spring 39 which acts to maintain the roller 33 in engagement with the periphery of the cam 32. The lower end of the rod 38 is pivotally secured to the bracket 36 by the pin 40. The lever-arm 34 also carries the depending bracket 41 which is pivotallyconnected by the link 42 to the depending arm 43 projecting downwardly from the bell-crank lever 44 pivoted to the stud 35. The arm 43 also carries the lug 45 through which the rod 46 passes with its inner end pivotally secured to the pin 40 .with the spring 47 coiled about the rod 46 normally to hold the arm 43 in its left-hand position shown in Fig. 1. The bracket 41 slidably supports the rod 48 with its lower end'49 projecting below the bracket eeaose 41, the length of this end 49 being regulated by adjusting units 50. Pivotally secured to the stud 51 15 the depending arm 52 carrying the shoulder 53 faced with a hardened plate and adapted to be engaged by the end 49 of the rod 48 as shown in Fig. 2. Adjacent the stud 51 is the stud 54 upon which is pivotally mounted the bell-crank lever 55 which carries the shoulder 56 of similar construction and function as the shoulder 53, Fig. 1 showing the shoulder 56 in operative alinement with the rod-end 49 after having been engaged thereby. The lower arm 57 of the lever 55 is connected by the link 58 to the arm 52. The arms 52 and 57 carry adjustable pins 59 and 60 respectively adapted to engage with the stop-pin 61 to limit the movements of the arms 52 and 57 respectively. as shown in Figs. 1 and 2. The upper arm of the bell-crank lever 55 is the toggle lever 26 pinned at 27 to the toggle lever 25. "It will be noted that the arms 52 and 57 as they are rocked on their respective studs 51 and 54 are maintained in substantial parallelism b the link 58. The toggle lever 18 and togg e arm 20 of the bell-lever 22 form a compound toggle connection with the arms 17 for the eccentric bearings 15 of the transferrcylinder 10, whereby this cylinder 10 is separated from both form-cylinder 9 and impression-cylinder 11, and the impression throw-ofi', when the rod-end 49 is shifted to the right and pressed down on the shoulder 53 by the cam 32 as shown in Fig. 2 WhlCl'l movement causes the arm 52 to swing to the right. The impression is restored when the rod-end 49 is swung to the left by the s ring 47 and pressed down thereafter on the s oulder 56 by the action of the cam 32 to swing the arm 57 to the left to break the toggle levers 25 and 26 thereby moving the eccentric bearings 15 to the left to re- Ttore the transfer-cylinder 10 to printing reation.

In order that this impression throw-off 3 and throw-on' mechanism may be automaticall actuated in case of the failure of the fee of a sheet to the press, I have devised the following mechanism: The feed-table 62 j the lever-arm 34 whereby the raising of' the link 68 when the shaft 63 is oscillated under the force of the spring 64 in a clockwise direction moves the lever-arm 34 to the position shown in Fig. 2 thereby shifting the position of the throw-01f and throw-on mechanism heretofore described to throw the transfer=cylinder 10 off impression. The hand-lever 69 is connected to the shaft 63 to restore impression and reset the latch-trip mechanism now to be described.

The shaft 63 is held in the position shown in Fig. 1 by the latch 70 pivoted on the shaft 71 journalled in the frame 8 and extending across the feed-table 62 as shown in Fig. 3. The latch 70 engages with the notch 72 in the collar 73 mounted on the shaft 63 as shown in Fig. 3. Preferably this latch .70 is released automatically through trip mechanism on the feeder: The feed-table 62 supports the stool 74 that is being fed to the press. Extending transversely above the feed-table 62 and journalled in uprights at the sides, thereof is the shaft 75 which carries the arm 76 (Fig. 1) connected by the rod 77 to the impression-cylinder shaft 14 by means of the pin 78 so as to impart to the shaft 75 an oscillating movement. 79, 79 are grooved collars-rigidly secured to the shaft 75. Adjacenteach groovedcollar 79 is the disk 80 'afiixed to the inner. end of the tubular shaft 81 which is loosely sleeved on, and encloses a portion of, the shaft 75, as shown in Fig. 3. The tubular shaft 81 carries'the arm 82 having a projecting lug 83 which engages withthe arm 84 secured to the Shaft 71. The trip-lever 85 is ivoted at 86 between the parallel sides 0 the grooved collars 7 9, so that its longer and heavier arm is held from falling into the aperture 87 cut in the top of the feed-table, 62 by the interposition of the stock 74 as shown in Figs. 1 and 8. The opposite end of the lever 85 is T-shaped to form the laterally-ending tooth 88;.in the peripheries of the collars 79 and also of the disk 80 are formed cut-outs 89 and 90 respectively. Ordinarily the tooth 88 rests against, or is m proximity to, the

periphery of the disk it can engage with the cut-out 89 of the collars 79 only when it canfall into the cut-out 90 of the disk 80.

\Vhen this occurs the disk 80 with its tubular shaft 81, which are normally at rest, are

locked to and turn with the oscillating shaft 75. The entrance of this tooth 88 into locking engagement with the disk 80 will'occur upon the failure or interruption in the feed supply. When" the stock 74 is in .proper position, as shownin Figs. 1 and 3, the curved longer arm of the trip-lever will engage therewith and will be prevented from lowering into the aperture 87 and from turning sufficiently to interlock with the disk 80. If the stock 4 should, at any time, be interrupted or absent, the longer arm of the triplever 85 will fall of its own weight into the aperture 87, thereby causing the tooth 88 'to interlock with the'cut-out in the disk 80.

Thus the tubular shaft 81 will be caused to to release the latch 70 engaging the notch 72 in the collar 7 3- on the shaft 63. Through this movement of the herein described mech- -transverse shafts 92 carried in'slotted bearings 93 formed in the frame 8 as shown in Fig. 1. Each inking roll 91 has a cylindrical bearing 94 concentric with its shaft 92 adapted to be engaged by rollers 95 mounted on two rock-arms 96 and '97 pivotally secured to studs 98 and 99 respectively. The inner ends of. the arms '96 and 97 are operatively connected by the links 100 and 101 respectively to the bell-crank lever 102 pinned at 103 to the frame 8. The arm 104 of the lever 102 is connected by the curved rod 105 to the rock-lever 106 mounted on the stud 107. The vertical arm 108 from the lever'106 is connected by the link 109 to the rock-arm 110 which is actuated by the hand-lever 111 to raise the inking rolls 91 from the form-cylinder 9 when the arm 108 is swung to the left as shown in Fig. 5 which movement depresses the rod 105, thereby swinging the arms 96 and 97 upwardly. to

throw the inking rolls 91 out of engagement with the form-cylinder 9.

The rocking movement of the rock-lever 106 to throw off the inking rolls 91 in timed relation with the impression throw-off is accomplished by the following mechanism: The bell-crank lever 112 is mounted on the stud 113 and its upper arm 114 has the curved face 115 formed in its extremity in which is cut the notch 116 which is engaged by the spring-pressed latch-pin 117 carried by the socket 118 secured to the stud 119 as shown in Fig. 4. The spring 120 within socket 118 and coiled about the screw-thread ed'rearend 121 of the latch pin .117 to bear upon the base of the latch-pin117 normally Pivotally secured to thearm 114 is the upright arm 122 having the recessed shoulder 123 formed on one side of its upper end to engage with the projecting pin 124 carried by the arm 125 of the rock-lever 106 when "the bell-crank leven 112 is drawn downwardly as shown-in Figs. '2 and 5. Pivoted to the arm 122 is the laterally exabout the rod 126 which tends normally to raise the bell-crank lever 112 from its lowered Fig. 2 position into the position shown in Fig. 1 so that the latch-pin 117 will engage the notch 116 to hold the lever 112 as shown in Fig. 4. Between the arm 127 and the adjustable nuts 130 carried by the rod 126 is the compression sprlng 131 coiled about the rod 126 to force the arm 122 into engagement with the pin 124 when the bell- -crank lever 112 is drawn downwardly with the latch-pin 117 released as shown in Fig. 2.

The arm 114 is unlatched and the bellcrank lever 112 drawn downwardly to set the inker throw-ofi' mechanism in position for operation by the following device: Pivotally secured to the arm 114 is the depending arm 132 having the inclined notch 133 formed in one side which engages with the projecting pin 27 connecting the toggle levers 25 and 26 as shown in Fig. 1. The arm 132 is constantly under tension from tne spring 134 connecting same to the stud 135 secured to the frame 8. A stop-pin 136 is fixed in the frame 8 so that when the toggle levers 25 and 26 are straightened as shown in 2, the notch 133 will be unlatched' from-the pin 27 when the toggle movement is about half completed. When this toggle is fully straightened as shown in Figs. 2 and 5, the pin 27 is out of the path of movement of the arm 132 which may then be drawn upwardly when the bell-crank lever 112 is swung upwardly in order to throw off the inking mechanism and reset the latch-pin 117.

This bell-crank lever 112 is swung upwardly by the following mechanism: The arm 137 of the lever 112 carries the cam-roller 138 which is adapted to be engaged by the cam 139 which is adjustably mounted (by means not shown) on the impression-cylinder shaft14 so that the action of this cam 139 may be variably adjusted in predetermined sequence to action of the impression-throwoff cam 32 to change the timing of the two throw-off movements as may be desired. In

the presentembodiment this inker-throwoff cam 139 does not operate until about two thirds of a revolution of the cylinder 11 after the impression has been tripped by the cam 32 as shown in Figs. 2 and 5.

Theoperation of the hereinbefore .de-

scribed mechanism is substantially as fol lows:

l/Vhenever the stock 74 is interrupted or is absent from the feed-table 62, the triplever 85 acts to release the spring-impelled shaft 63, the bracket 41 with the rod-end 49 swinging to the right as shown in'Fig. 2. As thismovement takes place the cam 32 is revolved from the position shown in Fig.

1 tothatin Fig. 2 thereby forcing the rodend 49 downwardly on the shoulder 53 which swings the arm 57 to the right until the pin f 60 engages with the stop 61. This movement simultaneously straightens the toggle levers 25 and 26 to shift the eccentric bearings 15 for the transfer-cylinder 10 t0 separate the latter from both the form-cylinder 9 and the'impression-cylinder 11 as snown in Fig. 2. As the toggle levers 25 and 26 are being straightened, the ro]ecting pin 27 engages with the notch 133 of the depending arm 132 to draw downwardly the bell-crank lever 112 which simultaneously releases the latch-pin 117 and enables the swinging upright arm 122 to be forced to the left to place the recessed shoulder 123 beneath the pin 124.carried on the arm 125 of the rock-lever 106 which actuates the I inker throw-0E. The lowering of the bellcrank lever 112 also simultaneously brings the cam-roller 138 into the path of the inker throw-off cam 139 when the high part of this cam engages the cam-roller 138 to force upwardly the bell-crank lever 112 which immediately throws ofi the inkingrolls 91 from the form-cylinder 9 as shown in Fig. 5. The latch-pin 117 at the same time re-engages 'the notch 116 upon the upward movement form-cylinder 9. The latch 70 is reset on the shaft 63 when the latter is rotated in an anti-clockwise direction by the hand-lever 69 which allows the bracket 41 to swmg to the left to bring the rod-end 49 into position to engage the shoulder 56 to automatically throw-on the impression when the cam 32 revolves so as to force the rod-end 49 down on the shoulder 56 to break the toggle levers 25 and 26 which movement restores the parts to the position shown in Fig. 1. By this construction I have devised two automatic sequential throw-offs for the impression and inking mechanisms, both positively actuated by cams inter-adjustably set on the nonshiftable impression-cylinder shaft through continued movement of the press, the inker throw-01f being controlled, but not operated, by the impression-throw-otf, with the timing of such inkerthrow-off being set in any predetermined sequence in the cycle with'relation to the impression throw-off and without altering or shifting any part of the impression' throw-01f mechanism.

In the modified embodiment of my invention shownin Figs-6 and 7, I employ the same devices for throwing off the impression and for raising the inking rolls from the form or plate-cylinder as has been heretofore shown and described in the embodimentv shown in Figs. 1, 2, 3, 4 and 5. In this modification I have combined with the automatic trip devices controlled by the stock for the two sequential throw-offs manual means for setting the inker throw-oft mechanisms which will thereafter act to throw-off the ink rolls at a predetermined point in the continued movement of the press. stub shaft 67 loosely carries the hand lever 140 operating the rock-arm 141 to which the curved arm 142 is pivotally secured. At the extremity of the arm 142 is the hook 143 adapted to engage with the stud 144 on the arm 137. The arm 142 inside the hook 143 has the cam-face 145 formed on its under side which is ada ted to ride on the stud 146 secured to the rame 8. When the handlever 140 is lifted it swings the arm 141 to the right thereby also moving the arm 142 laterally to the right. This transverse movement-of the arm 142 swings the cam-roller 138 into position to be acted on by the earn 139; and as the arm 142 moves to the right. it rides slightly upward on the'stud 146 and thus frees the stud 144 from the hook 143' as shown in Fig. 7, so that the arm 137 is in position to be acted on by the cam 139 without afi'ectin the position of the tripshaft 63. By this construction the operator may manually setthe inker throw-off mechanism so that the inking rolls 91 may be thereafter thrown off by power without tripping the feeder or throwing ofi' the cylinders all during the continued movement of the ress.

In both forms of construction the two actuating cams 32' and 139 are preferably arranged interadjustably on the impressioncylinder shaft 14 yet they may be located and set upon other operative parts of the press'so as to insure the positive predetermined sequence of operation desired, so long as they are disposed upon some non-shiftable member in the press where other devices are brought into their respective paths, the operation of the cams on such devices being occasioned through .the continued movement of the press. I

I clalm as my invention:

1. In a printing-press having two members constituting a printing couple, an inking mechanism therefor with means for throwing ofi same normally held inoperative by a latch, means for throwing off the impression, and means carried by said impression throw-off meansto directly disengage the latch and simultaneously bring the ink or throw-ofi'means into position for operation after the impression is-thrownofi'.

2. In a printing-presshaving two' members constituting a printing couple, an inking mechanism therefor with means for throwing ofi' same normally held inoperative by a latch, means forthrowing 01f the' impression, and means carried by said impres sion throw-ofi means to directly disengage the latch and simultaneously bring the inker throw-off means into position for operation at a predetermined point in the cycle after 4. In a printing-press having two mem- Y bers constituting a printing couple, an-inking mechanism therefor with means for throwing off same normally heldinoperativeby a latch, means for throwing 01f the impression, and means carried by said impression, throw-off means to directly disengage the latch and simultaneously bring the inker throw-off means into position for operation at a predetermined point in the cycle after the impression is thrown off operable through the continued movement of the press.

5. In a printing-press having two members constituting a printing-couple, an inking mechanism therefor, means for throwing off said inkin mechanism, means for throwing off the lmpression between said members having a releasable connection with the inker throw-ofi to directly bring the lat ter into operative position after the impression is thrown off, and means operable through the continued movement of the press to actuate said inker throw-01f after said connection has been released.

6. In a printing-press having two members constituting a printing-couple, an inking mechanism therefor, means for throwing 01f said inking mechanism, means for throwing off the impression between said members having a releasable connection with'the'inker throw-ofl' to directly and simultaneously bring the latter into operative position after the impression is thrown off, and means-operable through the continued movement of the press to actuate said inker throw-01f after said connection has been released.

7. In a printing-press having two members constituting a printin -couple, an ink ing mechanism therefor, means for throwing off said inking mechanism, means for throwing off the impression between said members having a releasable connection with the inker throw-off to directly bring the latter into operative position after the impression is thrown off, and means operable through the continued movement of'the ress to actuate at a predetermined point in the cycle said inker throw-off after said connection has been released. a

8. In a printing-press having two members constituting a printing-couple, an inking mechanism therefor, means for throwing off said inking mechanism, means for throwing off the impression between said members having a releasable connection with the inker throw-off to directly and simultaneously bring the latter into operative position after the impression is thrown 01f, and means operable through the continued movement of the-press to actuate at a predetermined pointin the cycle said inker throw-off after said connection has been released.

9. In a printing-press having two members constituting a printing couple, an inking mechanism therefor with means for throwing off the same normally held inoperative by a latch, means for throwing off the impression having a ,conneetion with the inker throw-off to simultaneously and directly disengage the latch and bring the inker-throw off means into position for operation, and separate means operable through the continued movement of the press to sequentially actuate the impression and inker x 10. In a printing-press. having two members constituting a printing couple, an inking mechanism therefor with means for throwing oif same, normally held incperative by a latch, means for throwing oif the impression having aconnection with the inker throw-off to simultaneously and directly disengage the latch and bring the inker-throw oif means into position fo: oper-- ation, and separate means operable through the continued movement of the press to sequentially actuate the impression and inker throw-offs at predetermined points in the cycle. I

i 11. In a printing-press having two or more coacting members, an inking mechanism therefor with means to throW-ofl same, means for'separating two of said enacting members to throw off the impression, means directly actuated by said impression throwoff means to set the inker throw-oft into position for operation, separate meansfor actuating said inker throw-01f after the impression is thrown off, both said throw-01f means being inter-adjustable to cause a positive predetermined sequence of operation in said throw-offs.

12. In a printing-press having two or more coacting members, an inking mechanism therefor with means to throw-oft same, means for separating two of said coacting -members to throw off the impression, means direct-ly actuated by said impression throwoff means toisetf theTinker throw-off into positionfor. operation, separate means for actuating Y said inker throwofifl at a prede terniiiied 'point the cycle after the impression is thrown oif, both said throw-01f means being inter-adjustable to cause a positive predetermined sequence of operatIon in said throw-offs.

13. In a printing-press having two or more .coacting members, an inking mechanism therefor with means to throw-0t? same, means for separating two of said enacting members to throw off the impression. means directly actuated by said impression throwoif means to set the inker throw-oi: into position for operation, separate means for actuating said inker throw-off after the impressionis thrown off, both said throw-oils being actuated by the continued movement ofthe press, both said throw-off means being inter adjustable to cause a positive predetermined sequence of operation i-: said throw-offs. v

14. In a printing-press having two or more coacting members, an inking mechanism therefor with means to throw-off same,

means for separating two of said coactiug members to throw off the impression, means directly actuated by said impression threwofi' means to set the inker throw-off into position for operation, separate means for actuating said inker throw-off at a predetermined point in the cycle after the impression is thrown off, both said throw-oil's being actuated by the continued movement of the press, both said throw-off means being inter-adjustable to cause a positive predetermined sequence of operation in said throwpfi's.

15. In a printing-press having a plurality of printing members, an inking mechanism therefor, means for throwing off said inking mechanism normally held'inoperative, means for separating two of said printing members to throw off the impression, a direct connection between said impression throw-off means and said inker throw-oil to place the latter in operative position, and means actuated by the continued movement of the press to thereafter actuate the inker throw off independently of said direct connection witli the impression throw-off means.

16. In a printing-press having a plurality of printing members, an inking mechanism therefor, means for throwing off said inking mechanism normally held inoperative, means for separating two of said printing members to throw ofi' the impression, a direct connection between said impression threw-off means and said inker throw-off to simultaneonsly place the latter in operative position, and means actuated by the continued movement of the press to thereafter actuate 'the inker throw-off independently of said direct connection with the impression throwotf means. 17. In a printing-press having a plurality of, printing members, an inking mechanism therefor, means'for throwing 011' said inking mechanism normally held inoperative, means for separating two of said printing members to throw-off the impression, a direct connection between said impression throw-off means and said inker throw-off to place the latter in operative position, and means actuated by the continued movement of the press to thereafter actuate the inker throwoif independently of said direct conn ction with the impression throw-off means but in predetermined sequence thereto.

18. In a printing-press having a plurality of printing members, inking mechanism therefor, means for throwing ofi said inking mechanism normally held inoperative, means for separating two of said printing members to throw off the impression and simultaneously and directly bring said inker throw-oii' means in operative position, means to ac- .tuate said inker throw-ofl, both said throwoifs dependent upon the continued operation of the press, and both being inter-adjustably timed to cause a positive predetermined sequence of operation in said throw-Otis.

19. In a printing-press having a plurality of printing members, inking mechanism therefor, means for throwing-off said inking mechanism normally held inoperative, means for separating two of said printing members to throw ofi' the impression and simultaneously and directly bring said inker throwoflf means in operative position, means to actuate said inker throw-ofi', both said throwofl's occurring in sequence, and dependent upon the continued operation of the press, and both being inter-adjustably timed to cause a positive predetermined sequence of operation in'said throw-offs. 1

20. In a printing-press having a plurality of printing members, inking mechanism therefor means for throwing off said inking mechanism normally held inoperative, means for separating two of said printing members to throw-- 011' the impression andi simultaneously and directlybring said in er throwoflt' means in operative position, means to actuate said inker throw-off, both said throwoffs occurring in sequence at predetermined points in the cycle, and dependent upon the continued operation of the'press, and both being inter-adjustably timed to cause/a positive predetermined sequence of operation in said throw-offs.

21. In a printing press having a formcylinder, a transfer-cylinder and an impression-cylinder, inking mechanism for the form-cylinder including means to throw-off same normally held inoperative, means for separating the transfer-cylinder from 'both the other cylinders to throw off the impression and simultaneously and directly bring the inker throw-01f 1n operative position, and a separate cam mechanism mounted on, and

operable through the continued movement of the impression-cylinder to actuate the ,ose

of the impression-cylinder to actuate the inker throw-off after and independently of the impression throw-01f.

23. In a printing-press having a form cylinder, a transfer-cylinder and an impressioncylinder, inking mechanism for the formcylinder including means to throw off same, means for separating the transfer-cylinder from both the other cylinders to throw off the impression and simultaneously and di rectly bring the inker throw-ofi' in operative position, and a separate cam mechanism mounted on, and operable through the continued movement of the press to actuate the inker throw-off at a predetermined point in the cycle after and independently of'the impression throw-off.

24. In a printing-press cylinder, a transfer-cylinder and an impression-cylinder, inking mechanism for the form-cylinder including means to throw-ofi' same, means for separating the transfer-cy1 inder from both the other cylinders to throw oi? the impression and simultaneously and directly bring the inker throw-ofl' in ,oper-- ative position, and a separate cam mechanism mounted on, and operable through the continued movement of the impression-cylfrom both the other cylinders to throw ofl the impression and simultaneously and directly bring the inker throw-off in operative having a form-- position, and a separate cam mechanism mounted on,and operable through the continued movement of the impression-cylinder to actuate the inker throw-off after and in- Q t l I 'POSltlOll, and a separate cam mechanism mounted on, and operable through the continued movement of the impression-cylinder to actuate the inker throw-0E at a predetermined point in the cycle after and independently of the impression throw-01f.

' 27. In a printing-press having a form-cylinder, a transfer-cylinder and an i'mpres sion-cylinder, inking mechanism for the form-cylinder including means to throw off same normally heldinoperative, means to throw off said transfer-cylinder from both the other cylinders and simultaneously and directly bring said inker throw-oft in operative position, both actuatedby the rotation of the iinpression-cylinder, and 'a cam carried by the impressioil-cylinder and operable by its continued movement to actuate said inker throw-ott independently of the impression throw-oit'.

28; In a printing-press having a form cylinder, a transfer-cylinder and an impressioncylinder, inking mechanism for the formcylinder including means to throw off same normally held inoperative,-means to throw off said transfer-cylinder from both the other cylinders and simultaneously and directly set said inker throw-oft in operative position, both actuated by the rotation of the impression-cylinder, and a cam carried by the impression-cylinder and operable by its I continued movement to actuate said inker throw-off independently of the impression throw-oft.

29. In a printing-press having a torm-cylinder, a transfer-cylinder and an impressioncylinder, inking mechanism for the formcylinder including means to throw off same normally held inoperative, means to throw off said transfer-cylinder from both the other cylinders and simultaneously and directly set said inker throw-cit in operative position, both actuated by the rotation of the impression-cylinder, and a cam carried by the lmpression-cylinder and operable by its continued movement to actuate said inker throw-off at a predetermined point in the cycle independently of the impression throwofi'.

30. In a printing-press having a form-cylinder, a transfer-cylinder and an impressioncylinder, inking mechanism for the form cylinder including means to throw ofi' same normally held inoperative, means including a part carried by said impression-cylinder to throw off said transfer-cylinder from both the other cylinders and simultaneously and directly bring said inker throw-oif in operative position, both actuated by the rotation of the impression-cylinder, and a separate part carried by the impression-cylinder and operable by its continued movement to actu ate said inker throw-oil independently of the impression throw-01f.

31. In a printing-press having a form-cylinder, a transfer-cylinder and an impressioncylinder, inking mechanism for the formcylinder including means to throw-oft same normally held inoperative, means including a part carried by said impression-cylinder to throw off said transfer-cylinder from both the other cylinders and simultaneosuly and directly set said inker throw-off in operative position, both actuated by the rotation of the impression-cylinder, and aseparate part carried by the impression-cylinder and operable by its continued movement to actuate said inker throw-ofi' independently of the impression throw-off.

32. In a printing-press inder, a transfer-cylinder and an impressioneylinder, inking mechanism for the formcylinder including means to throw-oft same normallyheld inoperative, means including having a form cylarotatable cam carried by said impressioncylinder to throw off said transfer-cylinder from both the other cylinders and simultaneously and directly bring said inker throwofl' in operative position, both actuated by the rotation of the impression-cylinder, and

a separate rotatable cam also carried by the impression-cylinder and operable by its continned movement to actuate said inker throwofl' independently of the impression throwoil'.

throw-off independently of the impression 34:. In a printing-press having a plurality of printing members, an inking mechanism therefor, normally inoperative means to throw off the inking mechanism, means to throw ofi impression, a member movable to bring said inker throw-off means into operative position and also release said member during its movement, and means for actuating said inker throw-oft means, after said member has been released, o'per-able through the continued movement of the press without operating said impression throw-01f.

35. In a printing-press having a plurality of printing members, an inking mechanism therefor, normally inoperative means to throw off impression, a manual member movable to bring said inker throw-off means into operative position and also release said memher during its movement, and means forgestuating said inker throw-off means, after said member has been released, operable through the continued movement of the press without operating said impression throw-off.

36. In a printing-press having a plurality of printing members, an inking mechanism therefor, normally inoperative means to throw off the inking mechanism, means'to throw off impression, a member movable to bring said inker throw-off means into operative position and also release said member during its movement, and means for actuating said inker throw-off means, after said member has been released at a predetermined point in the cycle, operable through the continned movement of the press without operating said impression throw-off.

37. In a printing-press having a plurality of printing members, an inking mechanism therefor, normally inoperative means to throw off the inking mechanism, means to throw off impression, a manually controlled member movable to bring said inker throw off means into operative position and also release said member during its movement, and separate means for actuating said inker IlllOVV-OlI IIlGfiHS, after said member has been released, operable through the continued movement of the press without operating said impression throw-off.

38. In a printing-press having a plurality of printing members, an inking mechanism therefor, normally inoperative means to throw off the inking mechanism, means to throw off impression, a manually controlled member movable to bring said inker throwofi' means into operative position and also release said member during its movement, and separate means for actuating said inker throw-off, after said member has been released at a predetermined point in the cycle, operable through the continued movement of the press without operating said impression throw-off.

the impression-cylinder and operable by its continued movement to actuate said inker throw-ofi' without operating said means for throwing. off the transfer-cylinder.

40. In a printing-press having a formcylinder, a transfer-cylinder and an impression-cylinder, inking mechanism for the form-cylinder including means to throw ofi' same normally held inoperative, means to throw off said transfer-cylinder from both the other cylinders, manually controlled means for setting said inker throw-off means in operative position, and means carried by the impression-cylinder and operable by its continued movement to actuate said inker throw-off at a predetermined point in the cycle without operating said means for throwing oif the transfer-cylinder.

41. In a printing-press having two members constituting a printing couple, aninking mechanism therefor including means for throwing off same, means for throwing off the impression controlled by the stock having a connection with the inker throw-off to set the latter for operation after the impression is thrown off, and means to break said connection as the inker throw-0E is set.

42. In a printing-press having two members constituting a printing couple, an ink ing mechanism therefor including means to throw ofi' same normally held inoperative, means to throw-off impression, means controlled by the stock to directly bring said inker throw-off in operative position, and separate mechanical means to thereafter actuate said inker throw-ofi' through the continued movement of the press without operating said impression throw-oflt'.

43. In a printing-press having two members constituting a printing couple, an inking mechanism therefor including means to throw off same normally held inoperative, means to throw-off impression, means controlled by the stock to directly bring said inker throw-off in operative position, and separate mechanical means to thereafter actuate said inker throw-off through the continued movement of the press at a predetermined point in the cycle without operating said impression throw-off.

44. In a printing-press having a plurallty of printing members, inking mechanism therefor including means for throwing off same normally held inoperative, means controlled by the stock for separating two of said members to throw off the impression having a connection with the inker throwoff to move said inker throw-off in operative position while automatically breaking such connection whensaid inker throw-0E is in operative position, and means to actuate said inker throw-off operable in the continued movement of the press.

45. In a printing-press having a plurality of printing members, inking mechanism therefor including means for throwing ofi same normally held inoperative, means controlled by the stock for separating two of said members to throw off the impression having a connection with the inker throwoff to move said inker throw-off in operative position while automatically breaking such connection when said inker throw-off is in operative position, and means to actuate said inker throw-ofi operable in the continued movement of the press and in predetermined therefor including means for throwing off same normally held inoperative by a latch, means for separating two of said members to throw-off the impression having a con- -nection with the inker throw-off to release the latch and move said inker-throw off in operative position and simultaneouslybreak such connection, and means to actuate said inker throw-0E in predetermined sequence to the impression throw-off.

18. In a printing-press having a plurality of printing members, inking mechanism therefor including means for throwing off same normally held inoperative by a latch, means for separating two of said members to throw-off the impression having a connection with the inker throw-off to release the latch and move said inker-throw off in operative position and simultaneously break such connection, and means to actuate said inker throw-off in predetermined sequence to the impression throw-ofl', and means for varying the timed relation between said throw-offs.

49. In a printing-press having a plurality ofprinting members, inking mechanism therefor including means for throwing olf same normally held inoperative by a latch, means for separating two of said members to throw-off the impression having a connection with the inker throw-off to release the latch and move said inker-throw off into operative position and simultaneously break such connection, means to actuate said inker throw-off in predetermined sequence to the impression throw-off, and means for varying the timed relation between said throw-offs.

50. In a printing-press having a plurality of printing members, inking mechanism therefor including means for throwing off same normally held inoperative by a latch, means for separating two of said members to throw-off the impression having a connection with the inker throw-off to release the latch and move said inker throw-off in operative position and simultaneously break such connection, and means to actuate said inker throw-off in predetermined sequence to the impression throw-off but independently thereof. v

51. In a printing-press having a plurality of printing members, inking mechanism therefor, including means for throwing off same normally held inoperative by a latch, means for separating two of said members to throw-off the impression having a coin nection with the inker throw-off to release the latch and move said inkerthrow off into operative position while breaking said connection, and means to actuate said inker throw-oif in predetermined sequence to the impression throw-off while resetting said latch.

52. In a printing-press having a plurality of printing members, inking mechanism therefor including means for throwing off same normally held inoperative by a latch, means for separating two of said members to fhroiv off the impression having a connection with the inker throw-off to release the latch and move said. inker-throw-off into operative position while breaking said connection, and a single means to actuate said inker throw-olf in predetermined sequence to the impression throw-01f while resetting said latch.

53. In a printing-press having a plurality of printing members, inking mechanism therefor including means for throwing off same normally held inoperative by a latch, means for separating two of said members to throw-01f the impression having-a conneat-ion with the inker throw-off to release the latch and move said inker throw-off into operative position while breaking said connection, and a single means to actuate said inker throw-off in predetermined sequence to the impression throw-off while simultaneously resetting said latch.

CHARLES W. HARROLD. 

